public class Test {
    public static void main(String[] args) {
        System.out.println(100%3);
        System.out.println(100%3.0);
    }
    public static void main2(String[] args) {
        Object o = new Object() //隐式的内部类
        {
            public boolean equals(Object obj)
            {
                return true;
            }
        };
        System.out.println("hehe");
    }

}
